Tazieffite Mineral Data

Tazieffite Mineral Data
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General Tazieffite Information

Help on Chemical Formula: Chemical Formula: Pb20Cd2(As,Bi)22S50Cl10
Help on Composition: Composition: Molecular Weight = 8,377.10 gm
   Cadmium    2.68 %  Cd
   Bismuth    7.48 %  Bi
   Arsenic   16.99 %  As
   Lead      49.47 %  Pb
   Sulfur    19.14 %  S
   Chlorine   4.23 %  Cl
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: Pb20Cd2As19Bi3S50Cl10
Help on Environment: Environment: Zinkenite plesiotypic series
Help on IMA Status: IMA Status: Proposed IMA 2008 (Dana # Added)
Help on Locality: Locality: Mutnovsky volcano, Kamchatka Peninsula, Far East Asia, Russia Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Haroun Tazieff (1914-1998), volcanologist who was a pioneer in field observation of active volcanoes.
Help on Synonym: Synonym: IMA2008-012
 

Tazieffite Image

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Tazieffite

Comments: Tiny acicular, metallic tazieffite crystals free-standing on matrix formed by volcanic sublimation.
Location: Mutnovsky Volcano, Kamchatka, Russia. Scale: Specimen size 0.8 x 0.5 x 0.5 cm.
© Tom Loomis / Dakota Matrix

Tazieffite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.1831:1:0.5979
Help on Cell Dimensions: Cell Dimensions: a = 8.352, b = 45.592, c = 27.261, Z = 4; beta = 98.84° V = 10,257.26 Den(Calc)= 5.42
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.313(1), 3.361(0.65), 3.8(0.53),2.835(0.39), 4.07(0.39), 2.789(0.36), 3.66(0.24), 4.35(0.21),
 

Physical Properties of Tazieffite

Help on Diaphaneity: Diaphaneity: Opaque
Help on Luster: Luster: Metallic
 

Calculated Properties of Tazieffite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.64 gm/cc
note: Specific Gravity of Tazieffite =5.42 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.11
Boson Index = 0.89
Help on Photoelectric: Photoelectric: PETazieffite =1,050.68 barns/electron
U=PETazieffite x rElectron Density=4,870.04 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Tazieffite is Not Radioactive
 

Tazieffite Classification
Help on Dana Class: Dana Class: 03.08.01.04 (03)Sulfides - Sulfosalts
  (03.08)where 1 < z/y <2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.08.01)Zinkenite Group
 
03.08.01.01 Zinkenite Pb9Sb22S42 P 63 6
 
03.08.01.02 Pillaite! Pb9Sb10S23ClO0.5 C 2/m 2/m
 
03.08.01.03 Pellouxite! (Cu,Ag)Pb10Sb12S27(Cl,S)0.6O C 2/m 2/m
 
03.08.01.04 Tazieffite! Pb20Cd2(As,Bi)22S50Cl10 C 2/c 2/m
Help on Strunz Class: Strunz Class: 02.XX.00 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.X - Unclassified Strunz SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarse
  02.XX -Unknown
 
02.XX.00 Isochalcopyrite? Cu8Fe9S16 Unk Cubic
 
02.XX.00 Bayankhanite? Cu6HgS4 Unk Hex
 
02.XX.00 Bravoite? (Fe,Ni,Co)S2 P a3 2/m 3
 
02.XX.00 Dzhezkazganite* (Pb,Cu,Rh)S2(?) P a3? 2/m 3
 
02.XX.00 Dilithium* Li2Te P 222 2 2 2
 
02.XX.00 Horobetsuite* (Bi,Sb)2S3 Pbnm 2/m 2/m 2/m
 
02.XX.00 Horsfordite? Cu5Sb Unk Cubic
 
02.XX.00 Kurilite? (Ag,Au)2(Te,Se,S) P m3n,P 43n Cubic
 
02.XX.00 Imgreite? NiTe P 63/mmc 6/m 2/m 2/m
 
02.XX.00 Matraite? ZnS R 3m 3m
 
02.XX.00 Iridisite* (Ir,Cu,Rh,Ni,Pt)S2 Unk Cubic
 
02.XX.00 Kitaibelite? Ag10PbBi30S51 Mono ? Mono
 
02.XX.00 Jeromite? As(S,Se)2 None
 
02.XX.00 Parajamesonite? Pb4FeSb6S14 Unk Ortho
 
02.XX.00 Volfsonite* Cu10CuFeFe2Sn3S16 P 42m-,P 4212 Tetra
 
02.XX.00 Prassoite Rh17S15(?) P m3m 4/m 3 2/m
 
02.XX.00 Sakharovaite? (Pb,Fe)(Bi,Sb)2S4 Mono
 
02.XX.00 Samaniite Cu2Fe5Ni2S8 P 41/mmm 4mm
 
02.XX.00 Tazieffite! Pb20Cd2(As,Bi)22S50Cl10 C 2/c 2/m
 
02.XX.00 Horomanite Fe6Ni3S8 P 4/mmm 4mm
 

Other Tazieffite Information
Help on See Also: See Also: Links to other databases for Tazieffite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - MinMax(Deutsch)
7 - MinMax(English)
8 - Mineralienatlas (Deutsch)
9 - QUT Mineral Atlas
10 - Ruff.Info

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Tazieffite

Pb20Cd2(As,Bi)22S50Cl10
Dana No: 03.08.01.04 Strunz No: 02.XX.00
Locality:

 

Notes: